:root {
  --bg: #302b31;
  --secondary: #8a898c;
  --light: #e4e3e4;
  --text: #f3f2f3;
  --muted: #c9c8cb;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  --shadow-soft: 0 12px 28px rgba(0, 0, 0, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(138, 137, 140, 0.35), transparent 60%),
    radial-gradient(600px 400px at 90% 10%, rgba(228, 227, 228, 0.12), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 90%);
  margin: 0 auto;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(48, 43, 49, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(138, 137, 140, 0.3);
}

.navbar__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--light);
}

.nav {
  display: flex;
  gap: 22px;
}

.nav__link {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--light);
}

.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 32px;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--light);
  border-radius: 999px;
}

/* Hero */
.hero {
  padding: 150px 0 90px;
}

.hero__content {
  display: grid;
  gap: 36px;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.hero__text h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 0 0 14px;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--secondary);
  margin: 0 0 10px;
}

.lead {
  color: var(--muted);
  margin-bottom: 24px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero__panel {
  background: linear-gradient(140deg, rgba(228, 227, 228, 0.16), rgba(138, 137, 140, 0.08));
  border: 1px solid rgba(138, 137, 140, 0.4);
  padding: 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero__panel ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.hero__panel li {
  margin-bottom: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(138, 137, 140, 0.2);
  color: var(--light);
}

.tag--dark {
  background: #2a262c;
  color: var(--light);
}

/* Page hero */
.page-hero {
  padding: 140px 0 30px;
}

.page-hero h1 {
  font-size: clamp(2rem, 3.4vw, 3rem);
  margin: 0 0 10px;
}

/* Quick links */
.quick {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.quick__card {
  background: rgba(228, 227, 228, 0.08);
  border: 1px solid rgba(138, 137, 140, 0.3);
  border-radius: var(--radius-sm);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--light);
  font-weight: 600;
}

.link:hover {
  color: var(--secondary);
}

/* Sections */
.section {
  padding: 70px 0;
}

.section__header {
  margin-bottom: 32px;
}

.section__header h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
}

.section__header p {
  color: var(--muted);
  margin: 0;
}

/* Cards Grid */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--light);
  color: #2a262c;
  border-radius: var(--radius-sm);
  padding: 22px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid rgba(138, 137, 140, 0.15);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.35);
}

/* List */
.list {
  display: grid;
  gap: 18px;
}

.list__item {
  background: rgba(228, 227, 228, 0.08);
  border: 1px solid rgba(138, 137, 140, 0.3);
  border-radius: var(--radius-sm);
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: transform var(--transition), border-color var(--transition);
}

.list__item:hover {
  transform: translateY(-4px);
  border-color: rgba(228, 227, 228, 0.4);
}

.note {
  background: rgba(228, 227, 228, 0.08);
  border: 1px solid rgba(138, 137, 140, 0.3);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  color: var(--muted);
}

.collab {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.collab__item {
  background: rgba(228, 227, 228, 0.08);
  border: 1px solid rgba(138, 137, 140, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  color: var(--muted);
}

.list__item h3 {
  margin: 0 0 4px;
}

.list__item p {
  margin: 0;
  color: var(--muted);
}

/* Info section */
.info {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.info__main {
  background: rgba(228, 227, 228, 0.08);
  border: 1px solid rgba(138, 137, 140, 0.3);
  border-radius: var(--radius);
  padding: 24px;
}

.info__list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.info__highlight {
  background: var(--light);
  color: #2a262c;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn--primary {
  background: var(--secondary);
  color: var(--light);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.btn--secondary {
  background: transparent;
  border-color: var(--secondary);
  color: var(--light);
}

.btn--secondary:hover {
  background: rgba(138, 137, 140, 0.25);
  transform: translateY(-3px);
}

.btn--ghost {
  background: #2a262c;
  color: var(--light);
}

.btn--ghost:hover {
  transform: translateY(-3px);
}

/* Footer */
.footer {
  padding: 30px 0 50px;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid rgba(138, 137, 140, 0.2);
}

.footer__meta {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--secondary);
}

/* Responsive */
@media (max-width: 900px) {
  .nav {
    position: absolute;
    top: 70px;
    right: 5%;
    background: rgba(48, 43, 49, 0.95);
    border: 1px solid rgba(138, 137, 140, 0.3);
    border-radius: var(--radius-sm);
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    display: none;
  }

  .nav.is-open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .list__item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 120px;
  }

  .navbar__content {
    padding: 14px 0;
  }
}